1-800-Missing/YMMV

Adaptation Decay: Meg Cabot's 1-800-WHERE-R-U books are about a teenage girl who acquires psychic powers and tries to find missing children without attracting the attention of the FBI while also navigating a teenage romance. One Eight Hundred Missing is about a woman in her twenties who almost immediately goes to work for the FBI as a special consultant. The TV show exists in the book universe, where the characters complain about the changes.